The Calcana High Output Radiant heaters come in either 5 foot or 10 foot models.
The 5 foot is 40,000 btu’s and the 10 foot model is 75,000 btu’s
They come in 25,000 and 35,000 btu’s These have to be mounted higher than the Calcana.
Don’t let the small size fool you, these units are very warm.
They almost look like a speaker hanging off your patio.